809232640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37189}}^1$

素因数の和:37227

約数の個数: 72

約数和(自身を含む): 2052441720

約数和(自身を除く): 1243209080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 37189, 74378, 148756, 185945, 297512, 371890, 595024, 632213, 743780, 1190048, 1264426, 1487560, 2380096, 2528852, 2975120, 3161065, 4760192, 5057704, 5950240, 6322130, 9520384, 10115408, 11900480, 12644260, 20230816, 23800960, 25288520, 40461632, 47601920, 50577040, 80923264, 101154080, 161846528, 202308160, 404616320, 809232640]

約数ペア:

[(1, 809232640), (2, 404616320), (4, 202308160), (5, 161846528), (8, 101154080), (10, 80923264), (16, 50577040), (17, 47601920), (20, 40461632), (32, 25288520), (34, 23800960), (40, 20230816), (64, 12644260), (68, 11900480), (80, 10115408), (85, 9520384), (128, 6322130), (136, 5950240), (160, 5057704), (170, 4760192), (256, 3161065), (272, 2975120), (320, 2528852), (340, 2380096), (544, 1487560), (640, 1264426), (680, 1190048), (1088, 743780), (1280, 632213), (1360, 595024), (2176, 371890), (2720, 297512), (4352, 185945), (5440, 148756), (10880, 74378), (21760, 37189)]